* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.header {
    width: 100%;
    height: 80px;
    position: fixed;    /* 固定不动 */
    left: 0;
    top: 0;
    background-color: #eee;
    border-bottom: 1px solid #ccc;
    padding-left: 120px;

    display: flex;
    align-items: center;
}

.brand {
    margin-right: 120px;
}

.brand a {
    color: inherit;
    text-decoration: none;
}

.input-shell {
    width: 800px;
    height: 52px;
    border: 1px solid #aaa;
    border-radius: 4px;

    display: flex;
    align-items: stretch;
    justify-content: space-between;
}

.input-shell:focus,     /* :focus : 该元素 获得焦点 */
.input-shell:hover {    /* :hover : 鼠标滑过该元素 */
    border: 1px solid #888;
}

.input-shell input {
    border: none;
    outline: none;
    width: 600px;
    padding-left: 8px;
    font-size: 22px;
}

.input-shell button {
    border: none;
    outline: none;
    width: 200px;
    border-left: 1px solid #ccc;
}

.result {
    margin-top: 88px;
    width: 100%;
    padding-left: 120px;
}

.result-item {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
    align-items: start;
}

.result-item a {
    font-size: 22px;
    font-weight: 700;
    color: rgb(42, 107, 205);
}

.result-item .desc {
    font-size: 18px;
}

.result-item .url {
    font-size: 18px;
    color: rgb(0, 128, 0);
}

.result-item .desc i {
    color: red;
    font-style: normal;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: space-around;
    margin-bottom: 12px;
}